IntroductionTIMKEN LM12749-LM12710 tapered roller bearings
| model | LM12749-LM12710 |
|---|---|
| Cone Part Number | LM12749 |
| Cup Part Number | LM12710 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| Bearing Weight |
0.100 Kg 0.30 lb |
| Dimensions | |
| d - Bore |
21.986 mm 0.8656 in |
| D - Cup Outer Diameter |
45.237 mm 1.7810 in |
| B - Cone Width |
16.637 mm 0.6550 in |
| C - Cup Width |
12.065 mm 0.4750 in |
| T - Bearing Width |
15.494 mm 0.6100 in |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius |
1.270 mm 0.050 in |
| r - Cup Backface "To Clear" Radius |
1.27 mm 0.050 in |
| da - Cone Frontface Backing Diameter |
25.91 mm 1.02 in |
| db - Cone Backface Backing Diameter |
27.43 mm 1.08 in |
| Da - Cup Frontface Backing Diameter |
42.40 mm 1.67 in |
| Db - Cup Backface Backing Diameter |
39.62 mm 1.56 in |
| Ab - Cage-Cone Frontface Clearance |
1 mm 0.04 in |
| Aa - Cage-Cone Backface Clearance |
0.3 mm 0.01 in |
| a - Effective Center Location |
-5.30 mm -0.21 in |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions) |
10000 N 2250 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions) |
38600 N 8680 lbf |
| C0 - Static Radial Rating |
35300 N 7930 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) |
5250 N 1180 lbf |
| Factors | |
| K - Factor | 1.91 |
| e - ISO Factor | 0.31 |
| Y - ISO Factor | 1.96 |
| G1 - Heat Generation Factor (Roller-Raceway) | 8.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 6.98 |
| Cg - Geometry Factor | 0.048 |
TIMKEN Bearings
In 1890s, Henry Timken, a carriage maker in St. Louis, Missouri, invented TIMKEN bearings ,helped wagons make easier turns and also improved their maneuverability in other ways. In 1901, the Timkens relocated the company to Canton, Ohio, where the firm became known as the Timken Roller Bearing Company. Timken is one of the world's leading producers of highly engineered anti-friction bearings and alloy steel components . The Timken Company manufactures and manages global supply chains for two core product lines: anti-friction bearings and adjacent mechanical power transmission components, as well as specialty steel and related precision steel components. Its products and services include bearings and power transmission, tapered roller bearings, precision cylindrical and ball bearings, spherical and cylindrical roller bearings, chains and augers, gear-drive systems, aerospace products and services, steel and precision steel components. The wide-ranging nature of Timken products means that there is a bearing for virtually any application. DESUN BEARING LIMITED can provide professional technical installation support when you bought our TIMKEN bearings . if you find bearings from our website that you need , pls do not hesitate to contact us ,quick reply within 2 hours , welcome you send email for inquiry anytime : Sales@desunbearing.com
TIMKEN LM12749-LM12710 tapered roller bearings Model
DESUN BEARING LIMITED
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